RX21 Wirewound resistor

high accuracy, high stability good quality,good price

1)wirewound resistor2)high accuracy, high stability

Thehnical Specifcations
Type	Power	Range(Ω)	Tolerance	Dimensions(mm)				temperature coefficient  (×10-6/°C)
				Dmax	Lmax	D
RX21	0.5W	0.1~150	±0.5% ±1% ±2% ±5% ±10%	3.5	10	0.6	25±3	±100
	1W	0.1~600		3.5	12.0	0.8
	2~3W	0.1~1.5k		5.0	13.5	0.8
	4W	0.1~5.1K		7.5	23.5	0.8
	6W	0.1~2K		7.5	23.5	0.8
	8W	0.1~36K		8.5	32.5	1.0
	10W	0.1~3.3K		8.5	32.5	1.0
	12W	0.1~3.6K		8.5	47.0	1.0

 

Main inspection iterm,methods&requirements
Test Item	Specufications	Test Method
Solderability	weldability benign good	235±5°C  2±0.5S
Temperature Coefficent(T.C.R)	±100×10-6/°C	–55/+20 °C   20/+1555 °C
Surface Temperatue Rise	≤210 °C
Vibration	ΔR≤±(1%R+0.05Ω)	10~500HZ 50m/s2
Bump	ΔR≤±(1%R+0.05Ω)	40~80times/minute   250m/s2   3times
Thermal Cycle	ΔR≤±(2%R+0.05Ω)	–55/+250 °C  3times
Constant Samp Heat	ΔR≤±(2%R+0.05Ω)	+40 °C humidity93±3% 48h
Long-Term Continuous  Load	ΔR≤±(2%R+0.05Ω)	+40 °C  VR   make-and-break 1000h

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RX21 Wirewound resistor